Home / 20,143,982.54-30,223,455.18-13,992,723.07

Finding the Fourth Proportional to 20,143,982.54, 30,223,455.18 and 13,992,723.07

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Solution

The fourth proportional to 20,143,982.54, 30,223,455.18 and 13,992,723.07 is: 20,994,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,143,982.54 : 30,223,455.18 = 13,992,723.07 : x
  2. Step 2: Convert to fraction form
    20,143,982.54/30,223,455.18 = 13,992,723.07/x
  3. Step 3: Cross multiply
    20,143,982.54x = 30,223,455.18 × 13,992,723.07
  4. Step 4: Simplify right side
    20,143,982.54x = 422,908,438,424,265.69
  5. Step 5: Solve for x
    x = 422,908,438,424,265.69/20,143,982.54
  6. Step 6: Final answer
    x = 20,994,281.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.